3 files changed, 18 insertions, 4 deletions

diff --git a/drivers/block/paride/pcd.c b/drivers/block/paride/pcd.c
index 71acf4e53356..daba7a62a663 100644
--- a/drivers/block/paride/pcd.c
+++ b/drivers/block/paride/pcd.c
@@ -138,6 +138,7 @@ enum {D_PRT, D_PRO, D_UNI, D_MOD, D_SLV, D_DLY};
 #include <linux/cdrom.h>
 #include <linux/spinlock.h>
 #include <linux/blkdev.h>
+#include <linux/smp_lock.h>
 #include <asm/uaccess.h>
 
 static DEFINE_SPINLOCK(pcd_lock);
@@ -238,7 +239,13 @@ static int pcd_block_ioctl(struct block_device *bdev, fmode_t mode,
 				unsigned cmd, unsigned long arg)
 {
 	struct pcd_unit *cd = bdev->bd_disk->private_data;
-	return cdrom_ioctl(&cd->info, bdev, mode, cmd, arg);
+	int ret;
+
+	lock_kernel();
+	ret = cdrom_ioctl(&cd->info, bdev, mode, cmd, arg);
+	unlock_kernel();
+
+	return ret;
 }
 
 static int pcd_block_media_changed(struct gendisk *disk)
@@ -251,7 +258,7 @@ static const struct block_device_operations pcd_bdops = {
 	.owner		= THIS_MODULE,
 	.open		= pcd_block_open,
 	.release	= pcd_block_release,
-	.locked_ioctl	= pcd_block_ioctl,
+	.ioctl		= pcd_block_ioctl,
 	.media_changed	= pcd_block_media_changed,
 };
 
diff --git a/drivers/block/paride/pd.c b/drivers/block/paride/pd.c
index 4e8b9bff3abe..c4d6ed9846ca 100644
--- a/drivers/block/paride/pd.c
+++ b/drivers/block/paride/pd.c
@@ -153,6 +153,7 @@ enum {D_PRT, D_PRO, D_UNI, D_MOD, D_GEO, D_SBY, D_DLY, D_SLV};
 #include <linux/blkdev.h>
 #include <linux/blkpg.h>
 #include <linux/kernel.h>
+#include <linux/smp_lock.h>
 #include <asm/uaccess.h>
 #include <linux/workqueue.h>
 
@@ -768,8 +769,10 @@ static int pd_ioctl(struct block_device *bdev, fmode_t mode,
 
 	switch (cmd) {
 	case CDROMEJECT:
+		lock_kernel();
 		if (disk->access == 1)
 			pd_special_command(disk, pd_eject);
+		unlock_kernel();
 		return 0;
 	default:
 		return -EINVAL;
@@ -812,7 +815,7 @@ static const struct block_device_operations pd_fops = {
 	.owner		= THIS_MODULE,
 	.open		= pd_open,
 	.release	= pd_release,
-	.locked_ioctl	= pd_ioctl,
+	.ioctl		= pd_ioctl,
 	.getgeo		= pd_getgeo,
 	.media_changed	= pd_check_media,
 	.revalidate_disk= pd_revalidate
diff --git a/drivers/block/paride/pf.c b/drivers/block/paride/pf.c
index c059aab3006b..38b4d566b816 100644
--- a/drivers/block/paride/pf.c
+++ b/drivers/block/paride/pf.c
@@ -152,6 +152,7 @@ enum {D_PRT, D_PRO, D_UNI, D_MOD, D_SLV, D_LUN, D_DLY};
 #include <linux/spinlock.h>
 #include <linux/blkdev.h>
 #include <linux/blkpg.h>
+#include <linux/smp_lock.h>
 #include <asm/uaccess.h>
 
 static DEFINE_SPINLOCK(pf_spin_lock);
@@ -266,7 +267,7 @@ static const struct block_device_operations pf_fops = {
 	.owner		= THIS_MODULE,
 	.open		= pf_open,
 	.release	= pf_release,
-	.locked_ioctl	= pf_ioctl,
+	.ioctl		= pf_ioctl,
 	.getgeo		= pf_getgeo,
 	.media_changed	= pf_check_media,
 };
@@ -342,7 +343,10 @@ static int pf_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, u
 
 	if (pf->access != 1)
 		return -EBUSY;
+	lock_kernel();
 	pf_eject(pf);
+	unlock_kernel();
+
 	return 0;
 }